Franklin, John Hope, author
Alfred A.Knopf, 1961
Buku Teks
McPherson, James M.
Princeton University press, 1977
Buku Teks
Brink, William
Simon and Schuster, 1964
Buku Teks
Drotning, Phillip T., author
Doubleday, 1968
Buku Teks
Gatewood, Willard B.
Indiana University Press, 1990
Buku Teks